{"type": {"key": "/type/work"}, "title": "Speech of the Hon. W. H. Seward, on the Admission of California, and the Subject of Slavery", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL158957A"}}], "key": "/works/OL37689072W", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2024-01-31T17:10:47.578426"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-25T19:42:58.758731"}}